#!/usr/bin/env python
# -*-coding:utf-8 -*-
# Author:Lim
import math


def jia(x,y):
	return x + y
def jian(x,y):
	return x - y
def cheng(x,y):
	return x * y
def chu(x,y):
	return x / y
def zhengchu(x,y):
	return x // y
def quyu(x,y):
	return x % y
def chengfang(x,y):
	return x ** y
def mysqrt(x):
	return math.sqrt(x)

print(jia(1,2))
print(jian(1,2))
print(cheng(1,2))
print(chu(1,2))
print(zhengchu(1,2))
print(quyu(1,2))
print(chengfang(3,2))
print(mysqrt(9))

